Cybersecurity Systems Engineer (Jr. - Mid Level)

Job Locations US-OH-Beavercreek
# of Openings
Clearance Required


MTSI Benefit


Modern Technology Solutions, Inc. (MTSI) is seeking multiple Cybersecurity Systems Engineer (Jr. - Mid Level) to join our team.  You will perform various cybersecurity related technical assessments and design tasks on aeronautical and aerospace related systems.


At MTSI, our more than 1,200 co-owners recognize the high demand for specialized professionals within our industry and that you have many options to choose.  As an employee owned company where culture matters, we believe that by investing in our people we are investing in our company’s future!  

MTSI’s core capabilities are Systems Engineering and Integration, Modeling and Simulation, Test and Evaluation, Acquisition and Program Support, and Mission Assurance services. Our expertise includes ballistic missile defense, air defense, air vehicle survivability, unmanned aircraft, flight test operations, intelligence support, and cyber/space/homeland defense.

As a recognized "employee comes first" company with over 27 years of consecutive growth we challenge our co-owners to provide the highest level of support and service, and reward them with some of the best benefits in the industry.  Day one all new co-workers start with 20 days PTO, 6% 401k match with immediate vesting, semi-annual bonuses, and eligibility to participate in our Employee Stock Ownership Plan (ESOP).  We offer other employee focused benefits, including up to $10k in tuition reimbursement and an optional zero dollar deductible BCBS health insurance plan.


For additional company information, please visit:


As a Cybersecurity Systems Engineer (Jr. - Mid Level) with MTSI you will perform various cybersecurity related technical assessments and design tasks on aeronautical and aerospace related systems.  This positions location is in Dayton, OH.


Your essential job functions will include but may not be limited to:

  • Perform general technical decomposition, analysis, and impact assessments with the focus on the cybersecurity of aeronautical and aerospace related systems.
  • Conduct operational and system data flow analysis and documentation for vulnerability assessments.
  • Apply cybersecurity analytical methods and processes.
  • Test various interfaces or sub-components of aeronautical and aerospace related systems.
  • Complete verification, validation analysis and documentation of system interfaces or sub-components of aeronautical and aerospace systems.
  • Experiment with different attack techniques against critical points and developing mitigations to prevent future attacks on the specific architecture of a given system.
  • Communicate test and analysis results clearly to customers, both in presentations and in formal written reports.
  • Incorporate core engineering skills and knowledge from their academic focus area and apply it to the cyber systems team.
  • Creation of tools to support efforts as applicable.
  • Research and learn various architectures, languages, protocols, software, and hardware as required in support of the above functions.



  • College Graduate - 6 years' of relevant work experience, preferably within Cybersecurity.
  • Experience with C and assembly.
  • Experience with software defined radio desired.
  • Cybersecurity experience to include: (DESIRED)
    • coursework
    • capture the flag competitions
    • etc.
  • Aeronautical and aerospace related systems expereince (DESIRED)
  • Interest or experience in software reverse engineering, or hardware reverse engineering desired.

Educational Requirements:

  • STEM related degree.
    • Engineering degrees preferred although other types of STEM degrees will be considered.

Certification Requirements:

  • Appropriate cybersecurity certifications such as: (DESIRED)
    • Security+
    • CEH
    • OSCP

Clearance Requirements:

  • Eligible to obtain a Top Secret/SCI clearance.
  • U.S. Citizenship is required.




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